245370317473 has 4 divisors (see below), whose sum is σ = 246875657008. Its totient is φ = 243864977940.

The previous prime is 245370317419. The next prime is 245370317477. The reversal of 245370317473 is 374713073542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245370317473 - 2¹⁷ = 245370186401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245370317477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752669523 + ... + 752669848.

It is an arithmetic number, because the mean of its divisors is an integer number (61718914252).

Almost surely, 2^245370317473 is an apocalyptic number.

It is an amenable number.

245370317473 is a deficient number, since it is larger than the sum of its proper divisors (1505339535).

245370317473 is a wasteful number, since it uses less digits than its factorization.

245370317473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505339534.

The product of its (nonzero) digits is 1481760, while the sum is 46.

The spelling of 245370317473 in words is "two hundred forty-five billion, three hundred seventy million, three hundred seventeen thousand, four hundred seventy-three".